part 49121 Washer, Seal (3⁄8") Cat Pumps code 49121 Details Cat Pumps number49121 DescriptionWasher, Seal (3⁄8") Qty per pump2 Fits these pumps Cat Pumps Plunger pumps 4 66DX30G1I66DX35G1I66DX40G1I66DX50G1I